Metrics per run

https://it.wikipedia.org/wiki/Facebook

Tested 2026-03-04 11:43:37 using Firefox 147.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 443 ms 424 ms 440 ms 514 ms 423 ms440 ms449 ms34 ms7.49 %
First Contentful Paint 882 ms 865 ms 882 ms 968 ms 870 ms882 ms893 ms38 ms4.24 %
Largest Contentful Paint 1.516 s 1.468 s 1.443 s 1.595 s 1.515 s1.515 s1.507 s52 ms3.45 %
Timing metrics
First Paint 881 ms 864 ms 882 ms 968 ms 869 ms881 ms893 ms38 ms4.28 %
First Contentful Paint 882 ms 865 ms 882 ms 968 ms 870 ms882 ms893 ms38 ms4.24 %
Largest Contentful Paint 1.516 s 1.468 s 1.443 s 1.595 s 1.515 s1.515 s1.507 s52 ms3.45 %
Load Event End 1.694 s 1.749 s 1.905 s 1.820 s 1.744 s1.749 s1.782 s73 ms4.11 %
Server Response Time 120 ms 120 ms 120 ms 121 ms 120 ms120 ms120 ms0 ms0.33 %
TTFB 443 ms 424 ms 440 ms 514 ms 423 ms440 ms449 ms34 ms7.49 %
Page Load Time 1.693 s 1.748 s 1.904 s 1.820 s 1.744 s1.748 s1.782 s73 ms4.11 %
First Visual Change 900 ms 900 ms 900 ms 1.000 s 900 ms900 ms920 ms40 ms4.35 %
Last Visual Change 2.867 s 2.867 s 3.033 s 2.900 s 2.767 s2.867 s2.887 s86 ms2.97 %
Speed Index 958 ms 952 ms 957 ms 1.056 s 951 ms957 ms975 ms41 ms4.17 %
Visual Readiness 1.967 s 1.967 s 2.133 s 1.900 s 1.867 s1.967 s1.967 s92 ms4.66 %
Visual Complete 95 1.500 s 1.367 s 1.433 s 1.600 s 1.533 s1.500 s1.487 s80 ms5.41 %
Visual Complete 99 1.600 s 1.600 s 1.633 s 1.667 s 1.567 s1.600 s1.613 s34 ms2.11 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 76 ms 76 ms 76 ms76 ms76 ms0 ms0.00 %
Page metrics
DOM elements 5963 5963 5963 5963 59635963596300.00 %
Document height 26161 26161 26161 26161 26161261612616100.00 %
Total Requests 56 56 56 56 56565600.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 628.3 KB 628.3 KB 628.3 KB 628.3 KB 628.3 KB628.3 KB628.3 KB1 B0.00 %
HTML Transfer Size 108.3 KB 108.3 KB 108.3 KB 108.3 KB 108.3 KB108.3 KB108.3 KB0 b0.00 %
JavaScript Transfer Size 306.4 KB 306.4 KB 306.4 KB 306.4 KB 306.4 KB306.4 KB306.4 KB0 b0.00 %
CSS Transfer Size 31.0 KB 31.0 KB 31.0 KB 31.0 KB 31.0 KB31.0 KB31.0 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 35.7 KB 35.7 KB 35.7 KB 35.7 KB 35.7 KB35.7 KB35.7 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 56 56 56 56 56565600.00 %
First Party Total Transfer Size 628.3 KB 628.3 KB 628.3 KB 628.3 KB 628.3 KB628.3 KB628.3 KB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %